Extracting prog: 1m16.541516954s
Minimizing prog: 24m19.543470953s
Simplifying prog options: 0s
Extracting C: 2m4.601006663s
Simplifying C: 11m56.878083205s
extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program crashed: general protection fault in acpi_fan_probe
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
write(0xffffffffffffffff, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
program did not crash
testing program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400), 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=45.215631535s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
simplifying C reproducer
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing compiled C program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: general protection fault in acpi_fan_probe
testing program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program crashed: general protection fault in acpi_fan_probe
validation run: crashed=true
testing program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program crashed: general protection fault in acpi_fan_probe
validation run: crashed=true
testing program (duration=45.215631535s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='acpi-fan\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/acpi-fan/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr', 0x6)
program crashed: general protection fault in acpi_fan_probe
validation run: crashed=true
reproducing took 45m36.874283839s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 PID: 5933 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:acpi_fan_probe+0x116/0xef0 drivers/acpi/fan_core.c:327
Code: 00 4c 89 ff ba c0 0d 00 00 e8 b6 99 c1 00 48 85 c0 0f 84 3e 04 00 00 4c 89 7c 24 68 4c 8d bb 58 02 00 00 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 48 89 44 24 18 74 0d 4c 89 ff e8 86 f7 4f fd 48 8b
RSP: 0018:ffffc90003347940 EFLAGS: 00010206
RAX: ffff888074d00e28 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: 00000000ffffffff
RBP: ffffc90003347b40 R08: ffffffff911ed5b7 R09: 1ffffffff223dab6
R10: dffffc0000000000 R11: fffffbfff223dab7 R12: ffff888142ef0000
R13: dffffc0000000000 R14: 000000000000004b R15: 0000000000000258
FS: 0000555564174500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6386a70000 CR3: 0000000074e5c000 CR4: 00000000003506f0
Call Trace:
platform_probe+0x13b/0x1c0 drivers/base/platform.c:1376
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x247/0xae0 drivers/base/dd.c:717
__driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1206
bind_store+0x1cc/0x210 drivers/base/bus.c:267
kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
call_write_iter include/linux/fs.h:2018 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x474/0x9a0 fs/read_write.c:584
ksys_write+0x151/0x260 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6386b9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdbbc9ebc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6386e25fa0 RCX: 00007f6386b9e0d9
RDX: 0000000000000006 RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00007f6386c35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6386e25fac R14: 00007f6386e25fa0 R15: 00007f6386e25fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:acpi_fan_probe+0x116/0xef0 drivers/acpi/fan_core.c:327
Code: 00 4c 89 ff ba c0 0d 00 00 e8 b6 99 c1 00 48 85 c0 0f 84 3e 04 00 00 4c 89 7c 24 68 4c 8d bb 58 02 00 00 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 48 89 44 24 18 74 0d 4c 89 ff e8 86 f7 4f fd 48 8b
RSP: 0018:ffffc90003347940 EFLAGS: 00010206
RAX: ffff888074d00e28 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: 00000000ffffffff
RBP: ffffc90003347b40 R08: ffffffff911ed5b7 R09: 1ffffffff223dab6
R10: dffffc0000000000 R11: fffffbfff223dab7 R12: ffff888142ef0000
R13: dffffc0000000000 R14: 000000000000004b R15: 0000000000000258
FS: 0000555564174500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6386a70000 CR3: 0000000074e5c000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4)
4: ba c0 0d 00 00 mov $0xdc0,%edx
9: e8 b6 99 c1 00 call 0xc199c4
e: 48 85 c0 test %rax,%rax
11: 0f 84 3e 04 00 00 je 0x455
17: 4c 89 7c 24 68 mov %r15,0x68(%rsp)
1c: 4c 8d bb 58 02 00 00 lea 0x258(%rbx),%r15
23: 4d 89 fe mov %r15,%r14
26: 49 c1 ee 03 shr $0x3,%r14
* 2a: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) <-- trapping instruction
2f: 48 89 44 24 18 mov %rax,0x18(%rsp)
34: 74 0d je 0x43
36: 4c 89 ff mov %r15,%rdi
39: e8 86 f7 4f fd call 0xfd4ff7c4
3e: 48 rex.W
3f: 8b .byte 0x8b
final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 PID: 5933 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:acpi_fan_probe+0x116/0xef0 drivers/acpi/fan_core.c:327
Code: 00 4c 89 ff ba c0 0d 00 00 e8 b6 99 c1 00 48 85 c0 0f 84 3e 04 00 00 4c 89 7c 24 68 4c 8d bb 58 02 00 00 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 48 89 44 24 18 74 0d 4c 89 ff e8 86 f7 4f fd 48 8b
RSP: 0018:ffffc90003347940 EFLAGS: 00010206
RAX: ffff888074d00e28 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: 00000000ffffffff
RBP: ffffc90003347b40 R08: ffffffff911ed5b7 R09: 1ffffffff223dab6
R10: dffffc0000000000 R11: fffffbfff223dab7 R12: ffff888142ef0000
R13: dffffc0000000000 R14: 000000000000004b R15: 0000000000000258
FS: 0000555564174500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6386a70000 CR3: 0000000074e5c000 CR4: 00000000003506f0
Call Trace:
platform_probe+0x13b/0x1c0 drivers/base/platform.c:1376
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x247/0xae0 drivers/base/dd.c:717
__driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1206
bind_store+0x1cc/0x210 drivers/base/bus.c:267
kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
call_write_iter include/linux/fs.h:2018 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x474/0x9a0 fs/read_write.c:584
ksys_write+0x151/0x260 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6386b9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdbbc9ebc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6386e25fa0 RCX: 00007f6386b9e0d9
RDX: 0000000000000006 RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00007f6386c35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6386e25fac R14: 00007f6386e25fa0 R15: 00007f6386e25fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:acpi_fan_probe+0x116/0xef0 drivers/acpi/fan_core.c:327
Code: 00 4c 89 ff ba c0 0d 00 00 e8 b6 99 c1 00 48 85 c0 0f 84 3e 04 00 00 4c 89 7c 24 68 4c 8d bb 58 02 00 00 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 48 89 44 24 18 74 0d 4c 89 ff e8 86 f7 4f fd 48 8b
RSP: 0018:ffffc90003347940 EFLAGS: 00010206
RAX: ffff888074d00e28 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: 00000000ffffffff
RBP: ffffc90003347b40 R08: ffffffff911ed5b7 R09: 1ffffffff223dab6
R10: dffffc0000000000 R11: fffffbfff223dab7 R12: ffff888142ef0000
R13: dffffc0000000000 R14: 000000000000004b R15: 0000000000000258
FS: 0000555564174500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6386a70000 CR3: 0000000074e5c000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4)
4: ba c0 0d 00 00 mov $0xdc0,%edx
9: e8 b6 99 c1 00 call 0xc199c4
e: 48 85 c0 test %rax,%rax
11: 0f 84 3e 04 00 00 je 0x455
17: 4c 89 7c 24 68 mov %r15,0x68(%rsp)
1c: 4c 8d bb 58 02 00 00 lea 0x258(%rbx),%r15
23: 4d 89 fe mov %r15,%r14
26: 49 c1 ee 03 shr $0x3,%r14
* 2a: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) <-- trapping instruction
2f: 48 89 44 24 18 mov %rax,0x18(%rsp)
34: 74 0d je 0x43
36: 4c 89 ff mov %r15,%rdi
39: e8 86 f7 4f fd call 0xfd4ff7c4
3e: 48 rex.W
3f: 8b .byte 0x8b